Vulnerability in Linux Kernel
CVE-2014-7843
The __clear_user function in arch/arm64/lib/clear_user.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2014/11/13/5 (mailing-list)
- github.com/torvalds/linux/commit/97fc15436b36ee3956efad83e22a557991f7d19d (Patch, Vendor Advisory)
- git.kernel.org/
- bugzilla.redhat.com/show_bug.cgi (Patch, Vendor Advisory)
- www.securityfocus.com/bid/71082 (vdb-entry)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4 (Vendor Advisory)
- secunia.com/advisories/62305 (third-party-advisory)